Viessmann VITODENS 200 WB2B 26 - 96.1% High Efficiency Modulating Gas Boiler - 85,000 BTU
- Brand: Viessmann
- Model: WB2B858
Product highlights:
- Hot Water System
- Natural Gas or Propane
- Stainless Steel Heat Exchanger
- Coaxial / Stainless Steel / CPVC
- Direct Vent
- Wall Hung
- Energy Star Rated
- Availability: In Stock. Ships within 3-5 days.
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Viessmann 85,000 BTU 96.1% High Efficiency Condensing Boiler - VITODENS 200 WB2B 26
Equipped with a Viessmann stainless steel heat exchanger for lasting performance and reliability, the new Vitodens 200 WB2B 26 wall-mounted condensing boiler is the perfect combination of value, quality and Viessmann technology.
The benefits at a glance:
- Outstanding Efficiency of up to 98% with full modulation and 95.1% A.F.U.E. on all models.
- Lasting Performance with Viessmann-made SA240 316 Ti stainless steel Inox-Radial heat exchanger constructed to ASME Section IV and CSA B51

- Low-Emission Combustion with fully-modulating natural gas stainless steel cylinder burner. Factory calibration eliminates adjustments in the field.
- Control Variety Integrated boiler control interfaces with any level of third-party control - from room thermostat to outdoor reset and more.
- Multiple Venting Options
- Horizontal or vertical sealed combustion coaxial vent system (factory supplied).
- Horizontal, vertical or hybrid sealed combustion double-pipe vent system (field supplied).
- Horizontal or vertical single-wall vent system (field supplied) - Easy Installation, Service and Maintenance with all pipe connections located at the bottom and serviceable components easily accessible from the front.
- Compact, Lightweight Design and zero clearance to combustibles make it a great choice for limited-space installations.
- Extremely Quiet Operation; quieter than most refrigerators.
- Built-in Automatic Frost Protection allows boiler to be shut off for an extended period of time while protecting it against freeze-up.
- Suitable for altitude levels of up to 5000 ft. / 1500 m.
- Limited Lifetime Warranty in residential applications.
Energy Star Rated:
Yes
Modulating:
Yes
Warranty:
Limited Lifetime Warranty in residential applications.
Wall Hung?:
Yes
Vent Type:
Direct
Vent Material:
Coaxial (factory supplied)/Stainless Steel/CPVC
Vent Size (Inch):
5 or 6 (coaxial) 3 or 4 (stainless steel, CPVC)
Heat Exchanger Type:
Stainless Steel
Fuel Type:
Natural or Propane
Application:
Hot Water
Efficiency AFUE (%):
96.1
BTU Output:
85000
BTU Input:
93000







